Garden tool handle unit



FIG. 1 is a side elevational view of the garden tool handle unit, the opposite side view being a mirror image thereof;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof; and,

FIG. 5 is a rear elevational view thereof. 

The ornamental design for a garden tool handle unit, as shown and described. 